| 1995 | July | Company founded |
|---|---|---|
| 2000 | March | Ikebukuro, Shibuya, Jiyugaoka and Yokohama "school" opened |
| 2001 | March | Shinjuku East and Ginza Learning Studios opened |
| April | Shinjuku West Learning Studio opened | |
| October | Kichijoji Learning Studio opened | |
| November | Ginza 1-chome Learning Studio opened | |
| 2002 | February | Snapshot textbook series launched |
| June | Shinjuku East and West merged | |
| 2003 | January | Tameike-Sanno and Shinbashi Learning Studios opened |
| February | Tokyo Learning Studio opened | |
| March | Shimo-Kitazawa Learning Studio opened | |
| April | Omotesando Learning Studio opened | |
| May | Futakotamagawa Learning Studio opened | |
| June | myGaba for Clients released Planet textbook series launched Seijo Learning Studio opened |
|
| July | Roppongi Learning Studio opened | |
| October | Akasaka Mitsuke and Tamachi Learning Studios opened Online Evaluation System launched |
|
| 2004 | January | Fujisawa Learning Studio opened |
| February | Aobadai Learning Studio opened | |
| April | Sangenjaya Learning Studio opened | |
| May | Meguro Learning Studio opened | |
| June | Shin-Yurigaoka Learning Studio opened Mobile access site for Clients released |
|
| July | Career textbook series launched | |
| October | Shinagawa Learning Studio opened | |
| 2005 | January | First Kansai Learning Studio in Umeda opened |
| February | Chiba Learning Studio opened myGaba for Instructors released |
|
| March | Mobile access site for Instructors released | |
| April | Shinsaibashi Learning Studio opened Sakae Learning Studio in Nagoya opened Ikebukuro Learning Studio relocated |
|
| December | Yokohama Learning Studio relocated | |
| 2006 | April | Chayamachi Learning Studio opened |
| August | Omotesando Learning Studio relocated | |
| September | New Shinjuku Learning Studio opened | |
| October | Kobe Learning Studio opened | |
| 2007 | March | Hachioji Learning Studio opened |
| April | Kitasenju Learning Studio opened Futakotamagawa Learning Studio relocated |
|
| August | Ebisu Learning Studio opened | |
| November | Kyoto Learning Studio opened | |
| 2008 | January | Shinbashi-Shiodome Learning Studio relocated |
| February | Kawasaki Learning Studio opened | |
| April | Shibuya Learning Studio relocated Snapshots New curriculum released |
|
| June | Kitasenju Learning Studio relocated | |
| October | Business Advantage curriculum released | |
| 2009 | January | Escrow of Advanced Payment introduced |
| April | Otemachi Learning Studio opened Meguro Learning Studio relocated |
|
| September | Akabane Learning Studio opened |









